.difficultyChoose {
    width: 600px;
    height: 350px;
    background-color: #F5F5F5;
    border-radius: 4px;
    position: relative;
    background-image: linear-gradient(to bottom, #ECEFF1, #B0BEC5);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    display: flex;
    justify-content: center;
    /* align-items: center; */
    flex-direction: column;
    background: url(../img/difChoose/choose_difficulty.jpg) no-repeat center center/100% 100%;
}

.difficultyChoose .difficultyLevel {
    width: 80px;
    height: 48px;
    margin-top: 5px;
    background-color: #FFC107;
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    font-weight: bold;
    color: #FFFFFF;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
}

.difficultyChoose .difficultyLevel:hover {
    background-color: #FFA000;
}

.difficultyChoose .content1 {
    height: 40px;
}

.difficultyChoose .content2 {
    width: 600px;
    height: 329px;
    /* background-color: white; */
    border-radius: 4px;
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.difficultyChoose .content2 #easy {
    height: 48px;
    width: 90px;
    background: url(../img/difChoose/easy_btn.png) no-repeat center center/100% 100%;
    border: none;
}

.difficultyChoose .content2 #easy:hover {
    height: 48px;
    width: 95px;
}

.difficultyChoose .content2 #middle {
    height: 48px;
    width: 90px;
    background: url(../img/difChoose/medium_btn.png) no-repeat center center/100% 100%;
    border: none;
}

.difficultyChoose .content2 #middle:hover {
    height: 48px;
    width: 95px;
}

.difficultyChoose .content2 #hard {
    height: 48px;
    width: 90px;
    background: url(../img/difChoose/hard_btn.png) no-repeat center center/100% 100%;
    border: none;
}

.difficultyChoose .content2 #hard:hover {
    height: 48px;
    width: 95px;
}